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RATNA CR 2 (AWS A5.5 E9018 B3)

Product Specification

Hydrogen controlled iron powder Electrode for welding Creep-Resistant 2Cr-1Mo steels.

CLASSIFICATION         : AWS/SFA-5.5: E 9018 B3
                                           IS-1395: E63 BB 326Fe

CHARACTERISTICS    : A medium heavy coated, hydrogen controlled, iron powder type, all position radiographic quality electrode to weld 2.25% Cr-1.00% Mo steel, having increased working efficiency. Electrode has properties of creep resistance up to 575°C.


APPLICATION              :
1) Suitable to weld high tensile.
2) Low alloy steels with 2.25% Cr and 1% Mo used in oil refinery/ power plants, steam boilers.
3) Equipments subjected at high temperatures in synthetic chemical units.
4) Repairs of cast steel components.
5) Parts of automobiles / earthmoving machineries.
6) Includes marine applications.

RE-DRY CONDITION     : Re-Dry the electrode at 250°C for 1 hrs before use.


ALL WELD CHEMICAL COMPOSITION %
       
C Mn Si Cr Mo S&P
0.05-0.12 0.90 Max 0.60 max 2.00-2.50 0.90-1.20 0.030 Max.
 

ALL WELD MECHANICAL PROPERTIES :
       
YS
(N/mm²)
UTS
(N/mm²)
EL %
(l=4d)
530-630 620-700 20-25
 

DIMENSION, CURRENT CONDITION & PACKING DATA
       
Size(mm) (Dia) Size(inch) (Dia) Current Condition (DC+)Amps No. of Pcs./pkt. No. of Pcs./Case
2.50/ 2.40 X 350 3/ 32” X 14” 60-80 170 640
3.15/ 3.20 X 450 1/ 8” X 18 100-140 110 440
4.00 X 450 5/ 32” X 18” 140-180 72 288
5.00 X 450 3/ 16” X 18” 190-240 50 200
Customer packing on request.
 
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